Definitions

1. noun

A valve or pipe that controls the flow of water from a mains supply, especially one connected to a fire engine or hydrant system.

“The fire department used the hydrant to refill their water supply.”

2. noun

A device that dispenses water, especially a sprinkler system or a water fountain.

“The park’s new hydrant provided water for the thirsty dogs.”

3. verb

To supply water, especially from a mains supply or hydrant system.

“The city hydranted the street with water to fight the wildfire.”